Experimental investigation on flue gas emissions of a ...
2.2 Sampling and measurement of flue gas composition and emissions. In order to measure the flue gas composition and emissions a stainless water-cooled sampling probe was made and used to sample flue gases at the exit of the i.e. at the inlet of the chimney after the water heat exchanger of the .
Boiler Gas Valve Problems And Faults - Heating | Gas
Valve closure fault. Another frequent problem with gas valves is them not closing properly. If theres a closure fault with your valve thats going to mean that its letting-by. Essentially that means gas is leaking into your boilers burner when it shouldnt be.